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GN - Boulder Tunnel

Map 

Facts 

Overview
Tunnel under Hill on Abandoned Burlington Northern Railroad
Location
Jefferson County, Montana
Status
Intact but closed to all traffic
History
Built 1888; Abandoned 1982
Railroads
- Burlington Northern Railroad (BN)
- Great Northern Railway (GN)
Design
Tunnel
Dimensions
Total length: 6,160.0 ft. (1.2 mi.)
Also called
GN - Tunnel #6
Approximate latitude, longitude
+46.32121, -112.10778   (decimal degrees)
46°19'16" N, 112°06'28" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/414720/5130333 (zone/easting/northing)
Inventory number
BH 88199 (Bridgehunter.com ID)

Update Log 

  • February 14, 2020: Added by John Marvig

Sources